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Effects of a High Intensity Resistance Training in Muscular Strength, Agility, and Body Composition of Anorexia Nervosa Restricting Type Patients

NCT ID: NCT01906320

Last Updated: 2020-12-30

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

44 participants

Study Classification

INTERVENTIONAL

Study Start Date

2009-01-31

Study Completion Date

2013-06-30

Brief Summary

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The aim is to test the hypothesis that high-resistance training for 8 weeks, following the recommendations for healthy adolescents, is capable of eliciting increases in muscle strength, agility, skeletal muscle mass, and functional capacity without losing weight, body mass index (BMI) or fat mass in anorexia nervosa restricting type patients. Further, we hypothesize that the effects produced by the high-resistance training program will be maintained 4 weeks following the completion of the training program.

Detailed Description

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Conditions

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Anorexia Nervosa Restricting Type

Keywords

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anorexia nervosa restricting type muscle strength exercise body composition physical activity

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

SINGLE

Participants

Study Groups

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Training group

Group Type EXPERIMENTAL

High-Intensity Resistance training

Intervention Type BEHAVIORAL

Intervention group performed 3 weekly sessions during 8 weeks in the intra-hospital gymnasium. Each session lasted 50-60 min, and started and ended with warm-up and cool-down periods (10-15 min).

The core session included bench press, leg press, lateral row, leg extension, lateral pull-down, abdominal crunch, low back extension, and push-ups exercises. The participants performed three sets of 8-10 repetitions with resting periods of 1-2 min on the weightlifting machines. Load was gradually increased 5-10 % as the participant strength was adapted. The load started at 70% of 6RM.

Functional exercises (abdominal crunch, low back extension, and push-ups) were performed at the end of the session to strengthen the core musculature consisting of 3 sets of 15s of isometric contractions at the beginning of the program and 30 s at the end. Dynamic contractions were added, starting with 10 repetitions at the beginning to 30 repetitions at the end of the program.

Control Group

Group Type NO_INTERVENTION

No interventions assigned to this group

Interventions

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High-Intensity Resistance training

Intervention group performed 3 weekly sessions during 8 weeks in the intra-hospital gymnasium. Each session lasted 50-60 min, and started and ended with warm-up and cool-down periods (10-15 min).

The core session included bench press, leg press, lateral row, leg extension, lateral pull-down, abdominal crunch, low back extension, and push-ups exercises. The participants performed three sets of 8-10 repetitions with resting periods of 1-2 min on the weightlifting machines. Load was gradually increased 5-10 % as the participant strength was adapted. The load started at 70% of 6RM.

Functional exercises (abdominal crunch, low back extension, and push-ups) were performed at the end of the session to strengthen the core musculature consisting of 3 sets of 15s of isometric contractions at the beginning of the program and 30 s at the end. Dynamic contractions were added, starting with 10 repetitions at the beginning to 30 repetitions at the end of the program.

Intervention Type BEHAVIORAL

Eligibility Criteria

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Inclusion Criteria

* diagnosed with anorexia nervosa restricting type
* age ≤16 years
* receiving psychological therapy 3 days/week, and daily life tracing (including diet)
* BMI \>14.0 kg/m2

Exclusion Criteria

* being excessive exercisers (6 hours per week moderate to vigorous physical activity \[1952 counts/min\] upon admission)
* not being able to perform physical activity.
Minimum Eligible Age

12 Years

Maximum Eligible Age

16 Years

Eligible Sex

FEMALE

Accepts Healthy Volunteers

No

Sponsors

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Hospital Infantil Universitario Niño Jesús, Madrid, Spain

OTHER

Sponsor Role collaborator

Universidad Europea de Madrid

OTHER

Sponsor Role lead

Responsible Party

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Maria Fernandez del Valle, PhD

Visiting Assitant Professor

Responsibility Role PRINCIPAL_INVESTIGATOR

Locations

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Universidad Europea

Villaviciosa de Odón, Madrid, Spain

Site Status

Hospital Infantil Universitario Niño Jesús

Madrid, , Spain

Site Status

Countries

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Spain

Other Identifiers

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R-0034/08-1

Identifier Type: -

Identifier Source: org_study_id